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18 October, 14:00

A polynomial expression is shown below. (mx + 8) (2x - 4)

The expression is simplified to: - 6x^2 + 28x - 32

What is the value of m?

A. - 4

B. - 3

C. 3

D. 4

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Answers (1)
  1. 18 October, 14:13
    0
    The answer is B. - 3

    mx x 2x = - 6x^2

    2mx^2 = - 6x^2

    2m = - 6

    m = - 3
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